



Mackie HM-4 4-Way Headphone Amplifier
Model: HM-4








| Number of Channels | 4 |
|---|---|
| Input Connections | 1 x 1/4" TRS stereo (unbalanced) |
| Output Connectors | 4 x 1/4" TRS stereo (unbalanced) |
| Input Impedance | 10 kOhms |
| Output Impedance | 47 Ohms |
| Maximum Output Level | +22 dB |
| Function Controls | 4 x volume controls |
| Frequency Response | Not specified by manufacturer |
| Power Requirement | 12 VDC power supply |
| Current Draw | <220 mA maximum |
| Construction Material | Heavy-gauge steel chassis |
| Dimensions (H x W x D) | 2.0 x 4.3 x 2.3" / 51 x 109 x 58 mm |
| Weight | 0.5 lb / 0.2 kg |